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xtestintrin.h (873B) - Raw

      1 /*===---- xtestintrin.h - XTEST intrinsic ----------------------------------===
      2  *
      3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4  * See https://llvm.org/LICENSE.txt for license information.
      5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6  *
      7  *===-----------------------------------------------------------------------===
      8  */
      9 
     10 #ifndef __IMMINTRIN_H
     11 #error "Never use <xtestintrin.h> directly; include <immintrin.h> instead."
     12 #endif
     13 
     14 #ifndef __XTESTINTRIN_H
     15 #define __XTESTINTRIN_H
     16 
     17 /* xtest returns non-zero if the instruction is executed within an RTM or active
     18  * HLE region. */
     19 /* FIXME: This can be an either or for RTM/HLE. Deal with this when HLE is
     20  * supported. */
     21 static __inline__ int
     22     __attribute__((__always_inline__, __nodebug__, __target__("rtm")))
     23     _xtest(void) {
     24   return __builtin_ia32_xtest();
     25 }
     26 
     27 #endif